\begin{table}[ht] \centering
\newcolumntype{R}{>{\raggedleft\arraybackslash}X}
\newcolumntype{L}{>{\raggedright\arraybackslash}X}
\newcolumntype{C}{>{\centering\arraybackslash}X}

\caption{Test}
\label{tab:abi_denv}
{\scriptsize
\begin{tabularx}{\raggedleft}{@{}lCCCC@{}}

\toprule
&{(1)}&{(2)}&{(3)}&{(4)} \tabularnewline \midrule
{}&{}&{}&{}&{} \tabularnewline
\midrule \addlinespace[\belowrulesep]
Father's Educ<=9 Mean&0.216&0.982&0.984&0.905 \tabularnewline
Father's Educ>9 Mean&0.257&0.976&1.027&0.877 \tabularnewline
P-value&\textbf\{(0.000)\}&\textbf\{(0.000)\}&\textbf\{(0.000)\}&\textbf\{(0.000)\} \tabularnewline
N&1.1e+04&2.1e+04&2.1e+04&2.1e+04 \tabularnewline
Mother's Educ<=9 Mean&0.217&0.983&0.994&0.907 \tabularnewline
Mother's Educ>9 Mean&0.275&0.970&0.988&0.848 \tabularnewline
P-value&\textbf\{(0.000)\}&\textbf\{(0.000)\}&(0.600)&\textbf\{(0.000)\} \tabularnewline
N&1.1e+04&2.1e+04&2.1e+04&2.1e+04 \tabularnewline
Grandmother's Educ<3 Mean&0.218&0.980&0.970&0.894 \tabularnewline
Grandmother's Educ>=3 Mean&0.234&0.982&1.027&0.906 \tabularnewline
P-value&\textbf\{(0.000)\}&\textbf\{(0.042)\}&\textbf\{(0.000)\}&\textbf\{(0.009)\} \tabularnewline
N&1.1e+04&2.1e+04&2.1e+04&2.1e+04 \tabularnewline
\bottomrule \addlinespace[\belowrulesep]

\end{tabularx}
\\ \parbox{\raggedleft}{\scriptsize Note:}
}
\end{table}
